{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T05:07:40.211239+00:00","duration_seconds":1.034473,"id":1824148,"input_summary":"chars=540 node=683211","metadata":{"llm_candidates":[{"callsign":"K6WPK","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K6WPK","recording_id":174136,"started_at":"2026-07-18T05:07:39.176766+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169566}